K-Q multi rebuy event

[Muck off]

did a unlimited rebuy till 4th rnd super sattelite. 5th rnd starts im chip leader of table with t5200. blinds 200-400. Udg I pick up Kd-Qd. make it 1200, all Fold to big blind who is 2nd in chips t4400, who jams pot..whats my correct move?? Player has been playing loose with rebuys but all around is a solid tag.