600NL: To fire a 3rd?

[NicholasJ]

Never played with the villain, but his mined stats look very loose passive. I just sat.

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $3/$6
6 players
Converter

Stack sizes:
UTG: $234
UTG+1: $441
Hero: $615
Button: $710.85
SB: $682.55
BB: $549

Pre-flop: (6 players) Hero is CO with 5[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/heart.gif[/img]
2 folds, <font color="#cc0000">Hero raises to $21</font>, Button calls, 2 folds.

Flop: K[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/spade.gif[/img] ($51, 2 players)
<font color="#cc0000">Hero bets $42</font>, Button calls.

Turn: 8[img]/images/graemlins/spade.gif[/img] ($135, 2 players)
<font color="#cc0000">Hero bets $120</font>, Button calls.

River: A[img]/images/graemlins/club.gif[/img] ($375, 2 players)


I am thinking the turn bet is kinda bad, but do you fire this river here?