nl 100 good spot to bluff?

[IsaacAsimov]

Party Poker - No Limit Hold'em Cash Game - $0.50/$1 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $270.35
BB: $100
<u>UTG: $176.80</u>
MP: $233.40
CO: $209.44
<u>Hero (BTN): $123.25</u>

<font color="black">Preflop:</font> Hero is dealt J[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/diamond.gif[/img] (6 Players)
<font color="red">UTG raises to $4</font>, 2 folds, Hero calls $4, 2 folds

<font color="black">Flop:</font> ($9.50) 5[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/heart.gif[/img] (2 Players)
<font color="red">UTG bets $6</font>, Hero calls $6

<font color="black">Turn:</font> ($21.50) Q[img]/images/graemlins/club.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $14</font>, UTG calls $14

<font color="black">River:</font> ($49.50) 8[img]/images/graemlins/heart.gif[/img] (2 Players)
UTG checks

Villain is 16/13/2.7 over 181 hands. I perceive villain as a TAG and a regular. I've been playing 19/16/4 at his table. To me villains line looks a lot like a queen or maybe even 99-tt. After my float failing I feel I can use my intiative to take this down. Any thoughts on a 2/3- 3/4 bet otr?