Saturday night action 1/2/3/6

There's a very whale player who plays 70% his hand. He was down a few buy-ins and gives a ton of actions.

Utg straddle 6, +1 call, mp call, hj(whale) call, CO call, button call hero(SB) squeeze with KdJd, utg calls 50 hj call 50.

Effective stack 450

Pot 180

Flop

Ks7s4d

Hero bet 60, UTG raise 150, HJ fold

Hero?