I know my bet size on the flop was terrible. What about the turn? Correct to fold it?

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($25.05)
SB ($24.85)
BB ($5.05)
UTG ($24.75)
UTG+1 ($27.15)
MP1 ($25)
MP2 ($23.30)
MP3 ($6.05)
Hero ($23.30)

Preflop: Hero is CO with J, J.
1 fold, UTG+1 raises to $1, 3 folds, Hero calls $1, 2 folds, BB calls $0.75.

Flop: ($3.10) 4, J, 2 (3 players)
BB checks, UTG+1 bets $1.75, Hero raises to $3.5, BB folds, UTG+1 calls $1.75.

Turn: ($10.10) A (2 players)
UTG+1 checks, Hero bets $6.5, UTG+1 raises to $22.65, Hero folds.

Final Pot: $23.10