Set vs flush flop

I think I played this too slow but am more interested in my turn call...Was getting 4.1:1 on my call with 3.6:1 to hit fh or quads according to PO but not sure it was the right call given I put at least one of them on the made flush

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

Button ($20.85)
Hero ($22.35)
BB ($22.05)
UTG ($54.20)
MP ($20.85)
CO ($6.25)

Preflop: Hero is SB with 7http://www.flopturnriver.com/phpBB2/...es/diamond.gif, 7http://www.flopturnriver.com/phpBB2/...iles/heart.gif.
2 folds, CO calls $0.25, Button raises to $0.5, Hero calls $0.40, BB calls $0.25, CO calls $0.25.

Flop: ($2) 7http://www.flopturnriver.com/phpBB2/...miles/club.gif, 2http://www.flopturnriver.com/phpBB2/...miles/club.gif, Khttp://www.flopturnriver.com/phpBB2/...miles/club.gif (4 players)
Hero bets $1, BB calls $1, CO calls $1, Button folds.

Turn: ($5) Jhttp://www.flopturnriver.com/phpBB2/...iles/spade.gif (3 players)
Hero bets $1.75, BB raises to $7.5, CO calls $4.75 (All-In), Hero calls $5.75.

River: ($24.75) 8http://www.flopturnriver.com/phpBB2/...es/diamond.gif (3 players, 1 all-in)
Hero checks, BB bets $13.05 (All-In), Hero folds.

Final Pot: $37.80