LIMCASH: 4/8 Is this too weak?

[CrushU]

opponent is playing very well and mixing up his play often. He has smooth called preflop with big hands at times. He has also been cr bluffs and made hands on all streets, so all together a tough opponent.

im sb/button: I raise 6 [img]/images/graemlins/heart.gif[/img]T [img]/images/graemlins/diamond.gif[/img]

flop: A [img]/images/graemlins/diamond.gif[/img]9 [img]/images/graemlins/club.gif[/img]6 [img]/images/graemlins/diamond.gif[/img] check,bet,call

turn: 2 [img]/images/graemlins/diamond.gif[/img] check, check

river:9 [img]/images/graemlins/diamond.gif[/img] he bets, i call