NL 50 65 flops bottom two river play

[xeanatic]

Villian is 30/15/3 over 50 hands

That river card really sucked, what's my action here

Poker Stars - No Limit Hold'em Cash Game - $0.25/$0.50 Blinds - 6 Players - (LegoPoker Hand History Converter)

SB: $109.45
Hero (BB): $50.75
UTG: $34.10
MP: $34.85
CO: $51.35
BTN: $61.30

Preflop: Hero is dealt 6[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/heart.gif[/img] (6 Players)
UTG calls $0.50, MP calls $0.50, <font color="red">CO raises to $1.00</font>, 2 folds, Hero calls $0.50, UTG calls $0.50, MP calls $0.50

Flop: ($4.25) 6[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] (4 Players)
<font color="red">Hero bets $3.00</font>, UTG calls $3.00, 2 folds

Turn: ($10.25) 8[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $7.00</font>, UTG calls $7.00

River: ($24.25) 9[img]/images/graemlins/diamond.gif[/img] (2 Players)