KK early in a $4/180, am i committed?

[skrae]

This is only the 2nd orbit so I had no reads on this player.

Well an ugly river card falls and the Villain wakes up. Am I committed, or does he have some fold equity?

Also, any other line thought would be appreciated.

Thanks

BB1020 in chips)
UTG1390 in chips)
VILLAIN(1500 in chips)
UTG+2(1740 in chips)
UTG+3 (1140 in chips)
UTG+4 (1450 in chips) is sitting out
Hero: (1940 in chips)
UTG+6 (1740 in chips)
SB1580 in chips)


PokerStars (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is CO with K[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img]. SB posts a blind of 10.
<font color="#666666">1 fold</font>, <font color="#CC3333">UTG+1 raises 20 to 40</font>, <font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises 80 to 120</font>, <font color="#666666">3 folds</font>, UTG+1 calls.

Flop: 2[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
UTG+1 checks, <font color="#CC3333">Hero bets 180</font>, UTG+1 calls.

Turn: T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
UTG+1 checks, <font color="#CC3333">Hero bets 500</font>, UTG+1 calls.

River: J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG+1 bets 700 (All-In)</font>, Hero ??