Nl50 flop pair and a flush draw in 3 bet pot

[TheBob]

Villain leads flop for 7 dollars am I best to just call on the flop or is this definetely a jam type flop for my hand?

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB ($45.80)
BB ($48.50)
UTG ($12.90)
UTG+1 ($56)
MP1 ($59.65)
MP2 ($49.30)
Hero ($78.85)
Button ($49.25)

Preflop: Hero is CO with A[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to $2</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">BB raises to $6</font>, Hero calls $4.

Flop: ($12.25) 4[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: $12.25