Can I fold this?

[Pharcyde]

I've been at the table for one orbit and I don't have any reads on villain. Should I be able to fold this at these stakes, or is this an instant call? Also, was it a bad decision to call that pre-flop raise w/sixes OOP?

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">Hero ($9.85)</font>
UTG ($2.55)
MP ($15.50)
<font color="#C00000">CO ($13.20)</font>
Button ($5.60)
SB ($18.35)

Preflop: Hero is BB with 6[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 fold</font>, MP calls $0.10, CO calls $0.10, <font color="#CC3333">Button raises to $0.5</font>, <font color="#666666">1 fold</font>, Hero calls $0.40, MP folds, CO calls $0.40.

Flop: ($1.65) Q[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, CO checks, Button checks.

Turn: ($1.65) 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $0.8</font>, <font color="#CC3333">CO raises to $1.6</font>, Button folds, <font color="#CC3333">Hero raises to $5</font>, <font color="#CC3333">CO raises to $12.7</font>, Hero ???