Hatched a 100% growlith! Worst moveset when I evolved!
Answers
Aw, sorry that happened, man! I had something similar happen just the other day. Caught a Gastly with perfect IVs, evolved him and got the worst moveset. I'm keeping him for sure, but I won't power him up any time soon. If I had a surplus of stardust, sure, but I doubt that's happening in the near future. I'd probably suggest you and anyone else who ended up in the Perfect IVs & Worst Moves boat to do the same.
I'm in the minority, but since I have very few high CP defenders (only 2) and am of low level (23), I'd power up any max/high IV Arcanine just to sit higher in a gym.
I do have over 200k in dust though and as it looks like you only have 7k, I'd probably wait too.
I'm at the point that I currently have some stardust, but no mon to use it on yet. All the gyms (even on my team) are also > 2100 to play now so folks < lvl 25 are locked out from pretty much putting anything down now.
The only redeeming quality about a Bulldoze Arcanani is you will gain over 40 CP per powerup and that one is already 1700.
So if your local gyms require only 1900 CP to be in the middle of a level 10 gym, then you might want to power it up.
This is rare assumption, but it depends on if the Candy is easier to come by than the Dust. Then its worth buying up.
Sure a Fire Pokemon is a crap defender especially one with a crap move like Bulldoze.... with so many waters its also easy to power up. If I saw a gym with a 2000 Arcanine in it, and that was it. Before I put something in it, I'd hit it with a 1000 Water for 1000 prestige a pop.
Keep saving your stardust. You say you have 200k and save it for a really good 'mon with the best moveset. I was once level 23 and wasted a bunch of stardust to max out my Nidoking and now he is basically useless as they aren't that great for anything.
Now I save my stardust because if you keep playing you will eventually find a better 'mon with a better moveset. SAVE SAVE SAVE!
I walked Growlithe for most of the Hallowe'en event to get candies, evolved an 85% one, and also got Bite/Bulldoze.
At least you have candies left over - I was planning to continue walking Growlithe if I got decent moves so I could power it up, but with Bite/Bulldoze he's sitting at level 20 and I'm out of candy.
First off, you should definitely keep it if only because it's a collector's item at 100% IV (and who knows - at some point later on we might get the ability to reroll movesets). Second, this guy will make a great (and by great I mean secure) defender when fully powered up because Arcanine's high CP will place it very high up in gyms. I wouldn't prioritize powering it up if you have anything else better to use your dust on, but if you ever get to a point where you have excess stardust, this wouldn't be the worst investment.