50NL, 4 card straight on board, value bet river?

[TheSalche]

No reads on villain, have only played maybe 20 hands. UB 50NL. Hero and villain have about $40 behind. Hero is MP with Q [img]/images/graemlins/heart.gif[/img]J [img]/images/graemlins/diamond.gif[/img]. UTG min-raises, hero calls, rest of table folds.

Flop: 9 [img]/images/graemlins/heart.gif[/img]4 [img]/images/graemlins/club.gif[/img]Q [img]/images/graemlins/spade.gif[/img] (Pot: $2.75)
Villain bets pot, hero calls

Turn: J [img]/images/graemlins/club.gif[/img] (Pot: $8.25)
Villain bets pot again, hero raises to $22, villain calls

River: T [img]/images/graemlins/diamond.gif[/img] (Pot: $49.65)
Villain checks, Hero ...?