I haven't been out of line on this table and my image is solid. I want to double check if a) preflop raise was OK b) c/bet was big enough.

Please note stack sizes that's why I'm posting this hand. Do I need to call this?

EverestPoker Game #1482182029: Table Dili-28 - $0.50/$1 - No Limit Hold'em - 01:18:18 - 2007/05/05

Seat 1: austriaco ($98.55)
Seat 2: MadSickoHead ($141.75)
Seat 3: biatch45 ($47.90)
Seat 4: kannni ($100.65)
Seat 5: Seb63 ($73.55)
Seat 6: gif0403 ($86.00)

gif0403 posts the small blind of $0.50
austriaco posts the big blind of $1.00

The button is in seat #5

*** HOLE CARDS ***

Dealt to austriaco[Ah Kh]

MadSickoHead folds
biatch45 folds
kannni calls $1.00
Seb63 raises to $4.50
gif0403 calls $4.00
austriaco raises to $19.00
kannni folds
Seb63 calls $14.50
gif0403 folds

*** FLOP *** [4d 8d 7s]

austriaco bets $20.00
Seb63 raises to $54.55 and is all-in
austriaco ????