How can I maximize this? As played I don't think I could have gotten much more money in unless I bet less on the river. The 3-bettor is 18/12/4 over 210 and cold-caller is 21/13/3.17 over 152 (datamined).

$0.1/$0.25 No Limit Holdem
6 players
Converted at

Stacks:
Hero ($47.30)
UTG+1 ($30.45)
CO ($26.60)
BTN ($7.35)
SB ($18.20)
BB ($25.55)

Pre-flop: ($0.35, 6 players) Hero is UTG [Jh]
Hero raises to $1, 1 fold, CO raises to $3.35, 2 folds, BB calls $3.1, Hero calls $2.35

Flop: [Jd][As] ($10.15, 3 players)
BB checks, Hero checks, CO checks

Turn: ($10.15, 3 players)
BB checks, Hero bets $5, 1 fold, BB calls $5

River: ($20.15, 2 players)
BB checks, Hero bets $8, BB folds

Final Pot: $20.15

Hero wins $27.15 ( won +$10.8 )
CO lost -$3.35
BB lost -$8.35

He had KK, too bad. If the river is a T or a K you get paid big.