Tricky donk check-raises me

[hemstock]

Villain is very loose and passive. He likes to get tricky though. He check-raised me on the river when I had top pair with his top pair and no kicker. He also check-raised the turn when I had a big pocket pair. I also won that hand.

Paradise 1/2 (5max)
I am utg with KJo and raise. Folded to the villain who calls in the BB. Flop is Axxr
He checks, I bet, he calls
Turn is a J.
He check-raises me

What's the plan?