could i have extracted more money?

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) FTR converter on zerodivide.cx

CO ($3.55)
Hero ($26.95)
SB ($3.05)
BB ($13.10)
UTG ($3.05)
MP ($6.85)

Preflop: Hero is Button with A, 6.
UTG calls $0.10, MP calls $0.10, CO calls $0.10, Hero calls $0.10, SB completes, BB checks.

Flop: ($0.60) J, A, A (6 players)
SB checks, BB checks, UTG checks, MP checks, CO checks, Hero bets $0.6, SB folds, BB folds, UTG calls $0.60, MP calls $0.60, CO folds.

Turn: ($2.40) A (3 players)
UTG checks, MP checks, Hero bets $0.5, UTG folds, MP calls $0.50.

River: ($3.40) 3 (2 players)
MP checks, Hero bets $1, MP calls $1.

Final Pot: $5.40

Results in white below:
MP has Ks Th (three of a kind, aces).
Hero has Ad 6d (four of a kind, aces).
Outcome: Hero wins $5.40.

I doubt it. Making money on these mostly depends upon his hand. He needs a pp or a split pair to bet it huge here. He ended up with just the 3 aces so I don’t think he was going to call much.