Known players:
[tg]Position_Stack:hands/vp$ip/RaisePreflop/AF/WTS/ORL/BBvsSteal/W$SD;Hero$31.36:///////;MP1$11.81:02/50/50/-/-/-/-/-;MP2$40.84:04/25/0/0.5/0/-/-/-;[/tg]
0.1/0.25 No-Limit Hold'em (9 handed)
Hand recorder used for this poker hand: Elephant 0.87 by www.pokerstrategy.com.
Preflop: Hero is SB with A♦, K♦
2 folds, MP1 raises to $0.50, MP2 calls $0.50, 3 folds, Hero raises to $2.25, 2 folds, MP2 calls $1.75.
Flop: ($5.25) 9♥, 9♣, 7♥ (2 players)
Hero bets $4, MP2 calls $4.00.
Turn: ($13.25) K♥ (2 players)
Hero bets $10, MP2 calls $10.00.
River: ($33.25) 2♥ (2 players)
Hero checks, MP2 bets $10, Hero folds, MP2 gets uncalled bet back.
Final Pot: $33.25
His preflop play made me put him on pp and suited conn.
After my 2 barrel i gave up on the river, after all I think the board hit his range pretty well.
Should I've blocked bet/fold river?
Also any other lines and suggestions are welcomed 
PS: Rush as well
Thanks Kaitz