For how much you've already invested and what you have to call off I don't see any other option than calling their mini raise shove.

Folding here would be a mistake.

I don't think I'm folding this hand anywhere once we get to the flop, even on Kxx, I would be betting small to induce as their stack is tiny and calling a shove. Flop 30 cents/call a spazz jam.

3b bigger pre you are out of position and want to make the dealer pay to play it 3 handed. b small / c on the flop.