5 10 NL 6 max, tough flop spot

[IHaveStrong9]

Full Tilt Poker - No Limit Hold'em Cash Game - $5/$10 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $2,643.60
BB: $1,542.00
UTG: $2,429.70
MP: $1,047.00
CO: $200.00
<font color="black">Hero (BTN): $1,465.00</font>

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/heart.gif[/img] (6 Players)
<font color="red">UTG raises to $35.00</font>, 2 folds, <font color="red">Hero raises to $120.00</font>, 2 folds, UTG calls $85.00

<font color="black">Flop:</font> ($255) 3[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/heart.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $225.00</font>, <font color="red">UTG raises all-in to $2,309.70</font>, Hero ?

villain is a good regular at 5 10 NL, and we played heads up 2 days ago for a while and there was a lot of action. i feel his hand range is pretty narrow here. whats best action here?