KKK on Board - 77 in my hand

[Little Lew]

I know I didn't deserve this pot but did I play it all right?
Was flop bet enough?
What about turn? bet bad, push good?

***** Hand History for Game 2949601011 *****
NL Hold'em Game $6 Buy-in + $1 Entry Fee Trny 16974913) Level:2 Blinds(15/30)
Sat Oct 29 15:33:24 EDT 2005
Table Table 67xxx (Real Money) -- Seat 4 is the button
Seat 4 is the button
Total number of players : 8
Seat 1: Other 4 (815)
Seat 2: Bad Fold (1055)
Seat 4: Hero (1540)
Seat 5: SB (910)
Seat 6: BB (525)
Seat 7:Other 1(1840)
Seat 8: Other 2 (515)
Seat 9: Other 3 (800)
SB posts small blind (15)
BB posts big blind (30)
** Dealing down cards **
Dealt to Hero [ 7d, 7s ]
Other 1 folds.
Other 2 folds.
Other 3 folds.
Other 4 calls (30)
Bad Fold raises (90) to 90
Hero calls (90)
SB calls (75)
BB calls (60)
Other 4 folds.
** Dealing Flop ** : [ Jd, Kc, Kd ]
SB checks.
BB checks.
Bad Fold checks. ????????
Hero bets (90)
SB calls (90)
BB folds.
Bad Fold calls (90)
** Dealing Turn ** : [ Ks ]
SB checks.
Bad Fold bets (200)
Hero raises (600) to 600
SB folds.
Bad Fold folds.
** Summary **
Main Pot: 1460
Board: [ Jd Kc Kd Ks ]
Other 4 balance 785, lost 30 (folded)
Bad Fold balance 675, lost 380 (folded)
Hero balance 2220, bet 780, collected 1460, net +680
SB balance 730, lost 180 (folded)
BB balance 435, lost 90 (folded)
Other 1 balance 1840, didn't bet (folded)
Other 2 balance 515, didn't bet (folded)
Other 3 balance 800, didn't bet (folded)

Bad Fold asks if I had ‘it’
I assume he means the last K
He had QQ

I know I didn't deserve it but did I play it all right?