Fold. And it's not close.

Your GS is likely for half the pot, subject to redraws and totally transparent.

Runner-runner is this hands only hope. And all a screwed.
Any turn card that gives you a chance at your BD draws is likely faced with heavy turn action destroying your flop odds.
eg. K[img]/images/graemlins/spade.gif[/img], J.


IMO. Calling is -EV.