Not sure how to play this one

[J. Stew]

Villian just sat down, I'm assuming high cards or high pair.

Party Poker 0.50/1 Hold'em (6 max, 6 handed) converter

Preflop: Hero is BB with 9[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">UTG raises</font>, MP calls, <font color="#666666">2 folds</font>, SB calls, Hero calls.

Flop: (8 SB) 8[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, Hero checks, <font color="#CC3333">UTG bets</font>, MP folds, SB calls, Hero calls.

Turn: (5.50 BB) 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, UTG calls, SB folds.

I donked figuring villain might fold with the scare card if he had nothing. Is this a time to let him bet his junk, if he has that, and not lose as much if he has a good hand?

River: (7.50 BB) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, UTG calls.

Final Pot: 9.50 BB