NL100 KQ top pair

[SvensHorse]

Party Poker
No Limit Holdem Ring game
Blinds: $0.50/$1
6 players
Converter

Stack sizes:
Hero: $169.09
UTG+1: $90.39
CO: $60.80
Button: $43
SB: $175.46
BB: $124.45

Pre-flop: (6 players) Hero is UTG with Q[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img]
<font color="#cc0000">Hero raises to $3</font>, UTG+1 folds, CO calls, Button folds, SB calls, BB folds.

Flop: 6[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/spade.gif[/img] ($10, 3 players)
SB checks, <font color="#cc0000">Hero bets $6</font>, CO calls, SB folds.

Turn: Q[img]/images/graemlins/diamond.gif[/img] ($22, 2 players)
<font color="#cc0000">Hero bets $13</font>, CO calls.

River: 9[img]/images/graemlins/heart.gif[/img] ($48, 2 players)
<font color="#cc0000">Hero bets $20</font>, CO calls.

Results:
Final pot: $88
Villian is passive, I think there are ver few hands im ahead of on the river, how to play this, comments?

EDIT: Some stats on villian: 40/3/0.6 WTS:40 WOn@SD:70%
over bit over 100 hands.