Standard $100NL hand - drawing to straight

[BZ_Zorro]

Pretty standard stuff, replies are appreciated.

Party Poker No-Limit Hold'em, $ BB (10 handed) converter

UTG+1 ($316.2)
UTG+2 ($105.75)
MP1 ($101.1)
MP2 ($95)
MP3 ($139.69)
CO ($100.7)
Button ($170.55)
SB ($98)
BB ($79.97)
Hero ($108.85)

Preflop: Hero is UTG with 9[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img]. SB posts a blind of $0.5.
<font color="#CC3333">Hero raises to $2</font>, UTG+1 calls $2, UTG+2 calls $2, <font color="#666666">1 fold</font>, MP2 calls $2, <font color="#666666">3 folds</font>, SB (poster) calls $1.50, BB calls $1.

Flop: ($12) 2[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, BB checks, Hero checks, UTG+1 checks, UTG+2 checks, <font color="#CC3333">MP2 bets $4</font>, SB folds, BB folds, Hero calls $4, UTG+1 folds, UTG+2 folds.

Turn: ($20) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP2 bets $8</font>, Hero calls $8.

River: ($36) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $10</font>, MP2 calls $10.

Final Pot: $56

OK so raising utg was a bit creative but it was a passive table.

Who would bet the flop?
Fold the turn?
How about the river bet?

What's the best line in a multi way pot like this with a well concealed hand?