PS 1/2 BB play

[Jernej Zorec]

i have no real reads on other 2 players, except that few hands before this one they stayed in 3 way pot that was 3-bet pre flop and then they called flop and turn with overcards and button bet out on river (they had AT and A9 in that hand)

how is my play here ?

PokerStars 1/2 Hold'em (9 handed) internettexasholdem.com

Preflop: Hero is BB with 6[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img].
<font color="#666666">6 folds</font>, <font color="#CC3333">Button raises</font>, SB calls, Hero calls.

Flop: (6 SB) K[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets</font>, Hero calls, Button calls.

Turn: (4.50 BB) 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, Hero checks, Button checks.

River: (4.50 BB) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">SB bets</font>, <font color="#CC3333">Hero raises</font>, Button folds, SB calls.

Final Pot: 8.50 BB