JJ 2/5 nl hand at borg

[octop]

Crazy 2/5 nl table at the Borgata
I raise to 40 in MP with jacks 3 callers (peopesoon started maing i t 75 to go gettting 4-6 callers)
Flop 4-5-6- rainbow
Checked to me I bet 100 1 caller
He is fairly loose, will basically play coneccting,or high sutied cards to a raise declaring pot odds bit not queen 6 type [censored] to a raise
Turn ace check check
River 4 he bets 120 into the 320 dollar pot
Call?