I'd keep er separate the others could peck it no matter how early you get up.
X2 on the soft food nutri drench is great idea and the scrambled eggs are good too.
So that huge peice that was hanging came off?
I always dominate mine before the hormones hit and they subject to me.
Ex: my non mating cockerel I chase after for 15 seconds since they have a short attention span then I eventually catch him and hold him for a while.
If not done right or at a certain age then yes it makes thing worse.