Nut flush - how to maximize the $$$

[Apoc]

UB $0.50/$1 NL

UTG ($100) limps
Hero ($125) raises to $4 with A [img]/images/graemlins/diamond.gif[/img]J [img]/images/graemlins/diamond.gif[/img]
Folded around to UTG who calls.

Flop(~$9 in pot): 3 [img]/images/graemlins/diamond.gif[/img]5 [img]/images/graemlins/club.gif[/img]6 [img]/images/graemlins/diamond.gif[/img]

UTG leads out $2.50, Hero raises to $8, UTG calls

Turn(~25 in pot): 7 [img]/images/graemlins/diamond.gif[/img]

UTG checks, Hero bets $14, UTG checkraises to $28, Hero calls.

River (~$80 in pot): K [img]/images/graemlins/spade.gif[/img]

UTG pushes, I call and MHIG.

Questions:
What do you put UTG on throughout hand?
Do you take a different line to get the money in against this opponent?

My thoughts on the hand:
When UTG called the flop raise, I figured he had a PP or a worse flush draw. I raised, planning to check behind on the turn if I didn't catch (either the flush or my A or J).

On the turn, when UTG checkraises, I figure he's either got a set or a 4 for the straight, and he's putting me on an overpair. I was tempted to just push here (and that may be the better line), but I felt like he might be able to fold to a push and the obvious flush on the board. Of course, another diamond kills my action, but I was willing to take that chance.

On the river, he pushed when a blank came, like I hoped.

Appreciate any thoughts, as I'm still climbing the learning curve of NL.

Thanks!
Apoc

[Apoc]

I'll take silence as consensus that I took the correct line in this case. FYI, UTG had 4 [img]/images/graemlins/club.gif[/img]4 [img]/images/graemlins/diamond.gif[/img] for the straight and straight flush draw.

Apoc