Post in thread 'Developing My Own Breed Of Large Gamefowl For Free Range Survival (Junglefowl x Liege)' https://www.backyardchickens.com/threads/developing-my-own-breed-of-large-gamefowl-for-free-range-survival-junglefowl-x-liege.1424023/post-26178962
I would keep the bigger, but if they are getting along you could keep both. The dominate may be inhibiting the other and they may continue to get along.
I usually have 2 in each coop of 12 to 16 hens. After I'm done hatching I opened them up to one big poultry yard and each coop stays away from...
https://bramblewoodhill.com/breeding-chickens-meat-production/
I look at
1 aggression, it seems to be passed on
2 weight
3 confirmation.. no crooked toes ECT
4 personality
5 who the hens like