Button ($24.05)
SB ($29.95)
BB ($53.91)
UTG ($31.23)
Hero (MP) ($35.81)
CO ($11.35)

Preflop: Hero is MP with A, Q
1 fold, Hero bets $1, 1 fold, Button calls $1, 2 folds

Flop: ($2.35) 4, J, 6 (2 players)
Hero checks, Button bets $1.50, Hero calls $1.50

Turn: ($5.35) A (2 players)
Hero checks, Button bets $3.57???

Villain is real nitty pre-flop - 12/8, but very aggressive postflop, cbetting 75%. I checked the flop to him expecting him to donk and was going to float him, then spiked the ace on the turn. His turn cbet stat was also about 65%, so he obviously likes to barrel the turn. Whats your play here.