[NL50] Unraised pot, top and bottom pair, lots of action

[Ranma4703]

Two villians in this hand, 1st one is a full stack 50$, the second is a shorty with 17$. I have 50$. They limp in MP and c/o respectively, sb completes, I check in the bb with 83o. Flop comes out:
3 [img]/images/graemlins/spade.gif[/img]5 [img]/images/graemlins/spade.gif[/img]8 [img]/images/graemlins/club.gif[/img]
I have no spades. I bet out 2$, villian 1 raises to 6$, shorty villian 2 pushes all in for 16.50$, and I...
don't go broke in an unraised pot?