turning stone hand

[Get_better_Baris]

300 min. 5/10 blinds 20 to come in. Villian in hand is known 2 plus 2'er and is tricky tag that has bluffing in his arsenal.Early in session no reads yet,everyone has been quiet so far. Eff stacks 2k

Hero is dealt QdJs on button

Mp limps. Late position limps. I limp on button. SB completes and villian in BB checks.
Flop: (pot 100)
Jh 8s 7c
Checked to me and I bet 100, villian calls from BB.
Turn300)
Kh
He checks and I check behind
River: 7s
Villian checks and I bet 175, Villian thinks for 3 seconds and raises to 600.
Ez Fold or ez Call?