villian 18/9 AF 1 , so pretty passive concerning agression. 120 hands

my question is basically if i bet the turn can i barrel the river? besides the obvious cards that improve my hand to the nuts and would i bet a rivered ofsuit ace?

No-Limit Hold'em, $0.05 BB (7 handed) - Hold'em Manager Converter Tool from FlopTurnRiver.com

BB ($1.90)
UTG ($4.10)
MP1 ($1.22)
Hero (MP2) ($5.02)
CO ($4)
Button ($8.21)
SB ($4.07)

Preflop: Hero is MP2 with A, J
2 folds, Hero bets $0.22, 1 fold, Button calls $0.22, 2 folds

Flop: ($0.56) K, 10, 7 (2 players)
Hero bets $0.30, Button calls $0.30

Turn: ($1.16) 3 (2 players)
Hero bets $0.75, Button calls $0.75

River: ($2.66) 4 (2 players)
Hero bets $1.65, Button calls $1.65

Total pot: $5.96