20/13/1.3. Perhaps a timing tell, but he shoved all in like 0.05 seconds after the turn card came

PokerStars No-Limit Hold'em, $0.50 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

Button ($50.15)
SB ($50.75)
Hero (BB) ($55.30)
UTG ($16.45)
UTG+1 ($55.30)
MP1 ($14.25)
MP2 ($46.65)
MP3 ($47.70)
CO ($48.25)

Preflop: Hero is BB with J, J
3 folds, MP2 calls $0.50, MP3 calls $0.50, 2 folds, SB calls $0.25, Hero bets $3, 2 folds, SB calls $2.50

Flop: ($7) 10, 8, 4 (2 players)
SB checks, Hero bets $4, SB raises to $8, Hero raises to $18, SB calls $10

Turn: ($43) Q (2 players)
SB bets $29.75 (All-In), Hero folds

Total pot: $43 | Rake: $2.10