NL100 Betting the River

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Villain is 13/3/.7 over 250 hands.

Full Tilt Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 8 Players - (LegoPoker Hand History Converter)

SB: $156.80
Hero (BB): $100.50
UTG: $383.05
UTG+1: $72.20
MP1: $117.40
MP2: $96.60
CO: $19.65
BTN: $98.65

Preflop: Hero is dealt 2[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/club.gif[/img] (8 Players)
UTG calls $1.00, UTG+1 calls $1.00, 4 folds, SB calls $0.50, Hero checks

Flop: ($4) 4[img]/images/graemlins/diamond.gif[/img] 3[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/diamond.gif[/img] (4 Players)
SB checks, <font color="red">Hero bets $4.00</font>, UTG calls $4.00, 2 folds

Turn: ($12) J[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">Hero bets $12.00</font>, UTG calls $12.00

River: ($36) Q[img]/images/graemlins/heart.gif[/img] (2 Players)
Her0???

What should I bet here to maximize my EV against this type of player?