Being called down river action

[biblo22]

Okay so obviously we all hate being out of position because of situations like this, how do you proceed on the river and what are the pros/cons of various ways of playing this river.

The guy is an unknown, only played 37 hands.
i told myself i would check call a reasonable bet but this is a pretty big bet.

If i bet out and get shoved on do i call? how much should i call on the river. other thoughts on situations like this also would be good.

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players
Converter (http://www.neildewhurst.com/hand-converter)

Stack sizes:
UTG: $50
bibl0: $60.75
CO: $96.75
Button: $50
SB: $40.85
BB: $17.20

Pre-flop: (6 players) bibl0 is UTG+1 with Q/images/graemlins/heart.gif A/images/graemlins/heart.gif
UTG folds, <font color="#cc0000">bibl0 raises to $2</font>, CO calls, Button calls, 2 folds.

Flop: Q/images/graemlins/club.gif 8/images/graemlins/heart.gif J/images/graemlins/diamond.gif ($6.75, 3 players)
<font color="#cc0000">bibl0 bets $5.5</font>, CO calls, Button folds.

Turn: 6/images/graemlins/diamond.gif ($17.75, 2 players)
<font color="#cc0000">bibl0 bets $12</font>, CO calls.

River: 2/images/graemlins/diamond.gif ($41.75, 2 players)
bibl0 checks, <font color="#cc0000">CO bets $27</font>.
bibl0???

Results:
Final pot: $41.75

[and12006]

Probley should of put a blocker bet, being OOP is the worst especially in this situation for obviously reasons we don't really know were we stand. I don't think that 2 helped him inless called in the hopes of making a flush, I'd usually call here but thats why TPTK kills me.