25 Max - 66 vs random shortie on low board

[UFGatorGuy]

No reads on villain, he just sat last orbit. Do you guys call this flop raise against a random?

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

CO ($13.70)
Button ($23.75)
SB ($39.55)
BB ($77.40)
Hero ($56.50)
MP ($8.25)

Preflop: Hero is UTG with 6[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">Hero raises to $1</font>, <font color="#666666">1 fold</font>, CO calls $1, <font color="#666666">3 folds</font>.

Flop: ($2.35) 3[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $1.75</font>, <font color="#CC3333">CO raises to $12.7</font>, Hero ???

[vixticator]

Meh, just let him have this one. Even if you have the best hand he's gotta be drawing very live. You can't call this IMO.

[CruS]

what? with a gutshot? you have terrible odds, easy fold.
Why do you even ask this?
Very very VERY std fold.