IVs are overrated. Here are the actual stats of your 14 11 11:
255 221 191
Out of a possible:
256 225 195
Which make him 98.6% total stats.
...unless you think you’ll get another...
:)
Edit: btw not trying to be snarky. I think Raikou is a beast and have powered two of them up to 40, no regrets. I use them more than any other mon. Make sure to go with TS/WC.