Is villain EVER bluffing here?

[Irish Mafia]

Villain is jjfgsap. he's something like 20/12/1.7

er, $5/$10 NL Hold'em Cash Game, 6 Players
LegoPoker Hand History Converter

UTG: $2,003.25
MP: $1,062
CO: $990
BTN: $1,237
Hero (SB): $1,455.75
BB: $377.50

Pre-Flop: Q[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/club.gif[/img] dealt to Hero (SB)
<font color="red">UTG raises to $25</font>, 3 folds, <font color="red">Hero raises to $135</font>, BB folds, UTG calls $110

Flop: ($280) 9[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $170</font>, UTG calls $170

Turn: ($620) 5[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, UTG checks

River: ($620) 6[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $350</font>, <font color="red">UTG raises to $1,698.25 and is All-In</font>, Hero calls $800.75 and is All-In