5.50 KK and I'm a donkey

I think I must be the biggest donkey ever. How many mistakes did I make here, and can you get away from this at a 5.50?

Hero is UTG+1 Villain is BB

Seat 1: Hero ($1,500 in chips)
Seat 2: MP1($630 in chips)
Seat 3: MP2($1,550 in chips)
Seat 4: MP3($1,480 in chips)
Seat 5: MP3 ($1,390 in chips)
Seat 6: CO ($1,640 in chips)
Seat 7: Button ($1,480 in chips)
Seat 8: SB ($2,600 in chips)
Seat 9: Villain($1,250 in chips)
Seat 10: UTG ($1,480 in chips)



ANTES/BLINDS
SB posts blind ($10), BB posts blind ($20).

PRE-FLOP
UTG folds,
Hero deal KcKs bets $90,
MP1 folds,
MP2 folds,
MP3 folds,
MP4 folds,
CO folds,
Button folds,
SB folds,
BB calls $70.

FLOP [board cards QS,AS,KH ]
BB checks,
Hero bets $100,
BB calls $100.

TURN [board cards QS,AS,KH,4H ]
BB checks,
Hero bets $300,
BB bets $1,060 and is all-in,
Hero calls $760.