against 46/25/2 over 25 hands

Party Poker No-Limit Hold'em, $0.25 BB (5 handed) - Party Poker Converter Tool from FlopTurnRiver.com

BB ($13.20)
UTG ($27.50)
MP ($14.65)
Hero (Button) ($29.30)
SB ($44.05)

Preflop: Hero is Button with 5 5
2 folds, Hero raises $1, SB calls $0.90, 1 fold

Flop: ($2.25) 5 3 K (2 players)
SB checks, Hero bets $1.75, SB calls $1.75

Turn: ($5.75) 8 (2 players)
SB bets $3.50, Hero raises or calls?