Betsize on river #2

[Kjell201]

Prima .5/1 6-max

I get J [img]/images/graemlins/diamond.gif[/img]J [img]/images/graemlins/heart.gif[/img] on the button.
Everybody limps , including me. (My PFR with JJ is 80%+ so this is not standard. I had raised 3-4 hands in a row and felt like a raise this time would get many callers and I'm not sure I want to play a big multiway pot with JJ, even in position) Is this reasoning terrible? Like I said, I raise 9 times out of 10 here normally. anyway...

6 players. 6$ pot.
Flop: Q [img]/images/graemlins/club.gif[/img]5 [img]/images/graemlins/club.gif[/img]J [img]/images/graemlins/club.gif[/img]
Hit my set = very good.
3-flush board 6-handed = not so very good.

Checked to me.
I bet 5$, comments?

BB is the only one who calls. (once again no read [img]/images/graemlins/frown.gif[/img], however he only has 60$ left).

Turn: 3 [img]/images/graemlins/heart.gif[/img] (Pot 16$)
BB checks, I bet 10$, comments?
BB calls.

River: 5 [img]/images/graemlins/heart.gif[/img] (Pot 36$)
My moneycard.
BB checks. I make an overbet, 50$, putting villian all in. Anyone do this differently? Make a small bet that wants a call?

What hands do you think villian calls/folds with if you compare a 18$ bet to a 50$ bet. What has the highest EV against villians possible range?