Hand from 20nl
I'm in the sb with

I have £20 behind
Player limps, nitty player in the cut off 3xes it to 60, i 3 bet to £2.10
BB Calls, Limper Calls, Cut off calls. Pot is £7.20. 4 plyers to the flop.
Flop comes down;

,
I bet 3.50, SB shoves for about £14 total. Every1 else folds.
Call or fold? The player is pretty fishy, i call.