Bovada Zone Poker - no stats

P4(BTN) $250
Me(SB) $330

Pre Flop: Me(SB) with [Ac,As]
P1(UTG) folds, P2(MP) raises 3.50, P3(CO) folds, P4(BTN) calls 3.50, Me(SB) raises $13 P2(MP) folds, P4(BTN) calls $10

Flop: (6c,3d,Qc) (2 players)
Me(SB) bets $13, P4(BTN) raises 35.25, Me(SB) calls 22.25

Turn: 8h (2 players)
Me(SB) checks, P4(BTN) bets $51, Me(SB) raises $150, P4(BTN) calls $99 ALL-IN

River: Jh (2 players)

P4(BTN) shows Kc9c
Me(SB) wins 499.96

I wrote down my thought process right after the hand (see below). Want to see if my thinking is off or if I'm missing something here...
i thought he may have had 66 or 33 in his range after going call / call 3b on the BTN. but i thought his turn bet was too small if he wanted to protect a strong hand on a board like that. my bet / call range on the flop is something like…

AcKc (he blocks), KcJc (he blocks), KcTc (he blocks), Tc9c (he blocks), JcTc, Td9d, QQ (i'm probably check / calling this a lot; a lot of lower pocket pairs in his range that i'm dominating and few flush draws with the way it played pre flop), KK (he partially blocks), AA, JcJx, [(AcJc, AcTc, Ac3c) i'm not sure how often i'm 3betting these pre flop against a MP raiser who is an unknown]

so if he had 33 or 66, i’d think he would want to bet a lot larger to protect his hand against a very draw heavy range vs. his hand that could end up dominating him. especially the fact that he had 250 bigs behind which gives me some good implied odds.

so i took sets out of his range bc i think he’s 3b QQ from the BTN, no 66 or 33 for reasons stated, rarely having 88 (maybe 8c8x a % of the time but as with 33 and 66, his turn bet was too small if he had this)……..so either some smaller pocket pairs that i’m crushing or a draw. i'm also blocking a lot of AcXx flush combos that he may have