Free showdown raise with AT

[MrEngenic]

Villain is unknown, I was 6 tabling and didn't have enough hands on him to see the stats. Please educate me, should I have played this differently? I intended to check the river.


Party 2/4
Preflop: Hero is button with A [img]/images/graemlins/diamond.gif[/img]T [img]/images/graemlins/heart.gif[/img]
villain limps UTG+2, Hero raises, SB calls, villain calls.

Flop: T [img]/images/graemlins/diamond.gif[/img]6 [img]/images/graemlins/spade.gif[/img]9 [img]/images/graemlins/spade.gif[/img]
SB checks, villain checks, Hero bets, SB calls, villain calls

Turn: K [img]/images/graemlins/club.gif[/img]
SB checks, villain bets, Hero raises, SB folds, villain 3bets, Hero folds