2/4 Bluffing a nit off an overpair

[AAismyfriend]

Villain has been playing very snug....like 16/12 over a smallish sample. I've been playing sort of LAGy but haven't shown down any bluffs really. He's UTG so that makes his range quite narrow I would think. How good is this bluff here?


Full Tilt Poker - No Limit Hold'em Cash Game - $2/$4 Blinds - 5 Players - (LegoPoker Hand History Converter)

SB: $986.30
BB: $358.90
UTG: $470.00
CO: $154.00
Hero (BTN): $1,048.40

Preflop: Hero is dealt 9[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/heart.gif[/img] (5 Players)
<font color="red">UTG raises to $14.00</font>, CO folds, Hero calls $14.00, SB calls $12.00, BB calls $10.00

Flop: ($56) 7[img]/images/graemlins/diamond.gif[/img] 6[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] (4 Players)
SB checks, BB checks, <font color="red">UTG bets $45.00</font>, Hero calls $45.00, 2 folds

Turn: ($146) 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $110.00</font>, UTG calls $110.00

River: ($366) 3[img]/images/graemlins/heart.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $334.00</font>