Bad bluff? 3/6 river four flush board

[creative]

Villian is TalentedTom who at the time was playing 22/17, i cant really put him on anything that can snap this off, so i fired

okerStars No-Limit Hold'em, $6 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

($1213.15)
UTG ($587.25)
MP ($734)
CO ($676.15)
Button ($1162)
SB ($377.40)

Preflop: Hero is with 8d 7d
<font color="#CC3333">UTG raises to $18</font>, <font color="#666666">2 folds</font>, Hero calls $18, <font color="#666666">2 folds</font>.

Flop: ($45) T[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $42</font>, Hero calls $42.

Turn: ($129) 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets $106</font>, UTG calls $106.

River: ($341) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero bets $270</font>