3-6NL UB River Play

[pologuy64]

We just started playing hu 5 hands ago. We both have a 600 dollar stack

Hero is dealt q [img]/images/graemlins/diamond.gif[/img]j [img]/images/graemlins/diamond.gif[/img]

Hero raises to 21
Villan Calls

Flop(42)5 [img]/images/graemlins/diamond.gif[/img]k [img]/images/graemlins/diamond.gif[/img]5 [img]/images/graemlins/heart.gif[/img]
Villan checks
Hero checks

Turn 6 [img]/images/graemlins/spade.gif[/img]
villan checks
Hero bets 30
Villan calls

River a [img]/images/graemlins/diamond.gif[/img]
Villan leads for 150
Hero?

What is my play? What percentage of the time is my hand good? Is there any way I should raise the river?