2 tables remain, Live MTT, 14 left
5 paid
Hero 34,000
Villain 23,200
Average 18,000
blinds 600/1200/100
Villain UTG limps. Italian player. Appears inexperienced. As well as playing monsters, pairs (occasionally with a raise but limping more than he should) will limp any paint, any Ace. No idea of bet sizing pre or post flop
Small blind completes
Hero in big blind checks option with

Pot size 4,200 (seven handed)
flop

All check
turn

Small blind checks, Hero leads for 2,500
UTG min-raises to 5,000 with 17,000 back
Folded to Hero, who does what?