If he is making this play with 33, he cant be that good. With your read I would be more careful, but wouldnt hate stacking off here. After this hand I would change my read.

Preflop I dont mind raising Axs, but with a limper already in the pot and being in EP you shouldnt make such a weak raise. Id say make it atleast $5 here, but Id rather simply limp.

The pot is over $10 on the flop, make a stronger bet here, on the turn I would probably 3bet/AI.