[Niediam]

I always cap preflop QQ-88 in these situations but only sometimes with AA/KK.

I think the postflop play is fine. If he has a K you certainly don't want to raise as he isn't folding and you don't want to raise him out of the pot. It's really only bad if he has a 6 or 3 and is drawing to five outs but that won't be the situation as often with small cards...