On the river I hit the best possible SET in texas holdem NOW WTF

[Acemanhattan]

villian is Nutsinyoeye 16/10/2 through 250 hands
only real read is that he isnt stupid, plays his hads a little tricky, and I think vbs well although I havent looked him up enough to tell for sure how hes doing what.

Poker Stars - No Limit Hold'em Cash Game - $1/$2 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $210.90
BB: $271.90
UTG: $99.10
MP: $233.20
Hero (CO): $266.25
BTN: $363.60

Preflop: Hero is dealt A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] (6 Players)
2 folds, <font color="red">Hero raises to $8.00</font>, BTN calls $8.00, 2 folds

Flop: ($19) J[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $12.00</font>, BTN calls $12.00

Turn: ($43) 7[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">BTN bets $32.00</font>, Hero calls $32.00

River: ($107) A[img]/images/graemlins/club.gif[/img] (2 Players)
Hero?????

What do you think of the turn check? Any other line you prefer? like i said hes not a bad player.