NL100: Heavy draw in a limped pot

[Aquadougs]

Party Poker, $0.50/$1 NL Hold'em Cash Game, 6 Players
LeggoPoker Hand History Converter

MP: $73.40
CO: $95.75
BTN: $113.09
SB: $60.49
Hero (BB): $101.35
UTG: $115.96

Pre-Flop: 4[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
UTG calls $1, MP calls $1, CO calls $1, 2 folds, Hero checks

Flop: ($4.50) 2[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/club.gif[/img] 6[img]/images/graemlins/club.gif[/img] (4 Players)
<font color="red">Hero bets $4</font>, UTG folds, <font color="red">MP raises to $12</font>, CO folds, <font color="red">Hero raises to $30</font>, <font color="red">MP raises to $72.40 and is All-In</font>

How often does villain has flush here?
Should I fold?

[pureklas]

If he doesnt have a flush he has a set. Your line sucks. You have nothing but a weak draw. Check flop and probably fold to a decent bet. As played fold.

[Xanta]

Your hand reaaaaaaly isn't as strong as you think it is.

[early325]

uh MAYBE c/c flop..this is crazy though

to answer your questions:

most of the time
yes

[Al_Money]

Just fold flop, this is far from a heavy draw.

[sightless]

i c/f this flop