villain 21/10/2 , low aggression freq over small sample. what to do on turn facing raise? and what's the plan for the river?

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Hero (UTG) ($106.30)
MP ($110.25)
CO ($102.40)
Button ($111.55)
SB ($100)
BB ($96.90)

Preflop: Hero is UTG with A, J
Hero raises to $3, MP calls $3, 4 folds

Flop: ($7.50) 10, 9, J (2 players)
Hero bets $5, MP calls $5

Turn: ($17.50) A (2 players)
Hero bets $11, MP raises to $30, Hero calls $19

River: ($77.50) 9 (2 players)
Hero ?