[Lmn55d]

99-KK, AT-AJ = 46 combos.
AA, AK = 9 combos

46:9 is about 5:1 and he's probably not 3betting AK. So it's basically a 1:1 proposition. He's gonna fold 99-KK a lot, but not all the time. Seem like an easy raise if his range is similar to what I said. Well played.

EDIT: oh and I agree with flop/turn for reasons TSTONE stated.