NL25: Flopping a straight on a monotone board

[Fenrisulfur]

PokerStars Pot-Limit Hold'em, $0.25 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG+1 ($25)
MP1 ($39.20)
MP2 ($26.25)
CO ($24.45)
Button ($7.60)
SB ($13.30)
Hero ($33.55)
UTG ($21.20)

Preflop: Hero is BB with 9[img]/images/graemlins/heart.gif[/img], T[img]/images/graemlins/diamond.gif[/img].
UTG calls $0.25, <font color="#CC3333">UTG+1 raises to $0.75</font>, <font color="#666666">1 fold</font>, MP2 calls $0.75, <font color="#666666">2 folds</font>, SB calls $0.65, Hero calls $0.50, UTG calls $0.50.

Flop: ($3.75) J[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, Hero checks, UTG checks, <font color="#CC3333">UTG+1 bets $2</font>, MP2 folds, SB folds, Hero calls $2, UTG folds.

Turn: ($7.75) A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">UTG+1 bets $6.5</font>, Hero calls $6.50.

River: ($20.75) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, UTG+1 checks.

Final Pot: $20.75

Can I bet the river here?