NL25SH TPGK getting raised on the flop

[stever1k]

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

Hero ($26.50)
MP ($45.15)
CO ($14.65)
Button ($45.10)
SB ($25.80)
BB ($29.95)

Preflop: Hero is UTG with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img].
<font color="#CC3333">Hero raises to $1</font>, MP calls $1, <font color="#666666">4 folds</font>.

Flop: ($2.35) A[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $2</font>, <font color="#CC3333">MP raises to $6</font>, Hero ...

When it comes to play TPTK / TPGK OOP it seems that i have tremendous problems playing the hand :-(

Whats my line here? I m really afraid of beeing stacked in this spot: I cannot call, OOP just sucks, a reraise would commit me, so, is a fold possible here?

Villains played 30/20 (less than 40 hands).