Go Broke w/ TPTK here?

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5 Handed 5/10 NL. Opponent is unknown. I open to $30 from the SB with A [img]/images/graemlins/spade.gif[/img]J [img]/images/graemlins/spade.gif[/img]. He min reraises to $50. I call. He has about $520 left at this point and I have him covered. Flop comes J [img]/images/graemlins/club.gif[/img]7 [img]/images/graemlins/diamond.gif[/img]2 [img]/images/graemlins/club.gif[/img]. What is your standard line?

If you decide to check, opponent then fires $150 into the $100 pot.