Friday Night Unknowns

[LCD]

Villian is a 1 tabling friday night unknown. Shown he's very very loose in past hands, one big loss against me.

I have no idea if this is going to be very clear cut for everyone.

Party Poker (5 handed) pokerhand.org hand converter

Preflop: Hero is MP with J[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img]. 3/6
I open to $21 from UTG+1. Villian calls the bb.

Flop: 5[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/spade.gif[/img], J[img]/images/graemlins/heart.gif[/img]
He checkcalls $35.

Turn: 4[img]/images/graemlins/spade.gif[/img] (2 players)
He checkcalls $95

River: Q[img]/images/graemlins/diamond.gif[/img] (2 players)
He shoves $600 into ~$300 pot, i cover.