Interesting chat, how much to raise?

[Requin]

I never know the chat tells, whats my line here?

Party Poker
No Limit Holdem Ring game
Blinds: $3/$6
6 players
Converter

Stack sizes:
UTG: $582.25
UTG+1: $2090.40
Hero: $591
Button: $750.40
SB: $748.25
BB: $1685.10

Pre-flop: (6 players) Hero is CO with 6[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/heart.gif[/img]
<font color="#cc0000">UTG raises to $12</font>, UTG+1 folds, Hero calls, 3 folds.

Flop: K[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/heart.gif[/img] ($33, 2 players)
UTG checks, <font color="#cc0000">Hero bets $22</font>, UTG calls.

Turn: 8[img]/images/graemlins/spade.gif[/img] ($77, 2 players)
UTG checks, Hero checks.

River: 6[img]/images/graemlins/club.gif[/img] ($77, 2 players)
<font color="#cc0000">UTG bets $80</font>

I time down for awhile and he types in '666'. No reads, he hasn't spoken yet.

Also tell me if you fold to a rr.