We are in the sb with

, folds round to the cut of he 3xes to 0.6, button calls.
I 3 bet to £3 (too small?), both players call - pot is £9.70
Flop;

,

, js
I bet £4.6, cut of folds, button makes it £11.20 total. What would you do here?
I started the hand with £51.10, villian had £77.68, it's a 200bb table.
Thanks!