Villain is 32/13.8/1.03 over 90 hands. I was a bit worried he could be slowplaying aces. Slow down on the turn or play it like this?

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Hero ($180.85)
BB ($67.95)
UTG ($137.55)
MP ($205)
CO ($67.35)
Button ($48.35)

Preflop: Hero is SB with K, K.
1 fold, MP raises to $3, 1 fold, Button raises to $9, Hero raises to $25, 1 fold, MP calls $22, Button folds.

Flop: ($60) 9, 2, J (2 players)
Hero bets $33, MP calls $33.

Turn: ($126) T (2 players)
Hero bets $55, MP calls $55.

River: ($236) 3 (2 players)
Hero bets $67.85 (All-In)