Should I go broke here (KK early tourny)

[22suited]

1st round of blinds still at $200+20 live B&M. 15/30 with 1000 starting chips.
Hero has 940 chips
Villian has 1060 chips
Hero delt Ks Kh
pf villian limps MP, hero raises to 125 on button, villian calls for heads up action.
flop is 2h 4c 5c
pot is 295 and villian bets 300, your move? what is his range of hands? Never played with this player before but we've been delt 1.5 orbits.