2/4 6m - How should I play this river?

[SamG]

Villain is 63/7 over only 30 hands. How should I play the river?

(Also, should I bet more on the turn? I choose a bet size that I thought a flush draw might call.)

Party Poker
No Limit Holdem Ring game
Blinds: $2/$4
5 players
Converter

Stack sizes:
Hero: $437
CO: $1501.88
Button: $531.62
SB: $424.85
BB: $467.20

Pre-flop: (5 players) Hero is UTG with Q[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/spade.gif[/img]
<font color="#cc0000">Hero raises to $14</font>, CO calls, 3 folds.

Flop: T[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/heart.gif[/img] ($34, 2 players)
<font color="#cc0000">Hero bets $25</font>, CO calls.

Turn: T[img]/images/graemlins/club.gif[/img] ($84, 2 players)
<font color="#cc0000">Hero bets $45</font>, CO calls.

River: T[img]/images/graemlins/spade.gif[/img] ($174, 2 players)
<font color="#cc0000">Hero ???</font>