I have noticed that beard and muff size is pretty predictable by the time they're fluffy and dry out of the egg but those are just my own personal observations so far after raising a bunch of bearded and muffed babies. If I had to guess, just like I have an orloff that has no beard and muff, your faverolles doesn't either and won't get one later in life. I hope I'm wrong, but that's kinda what I'm seeing.
My faverolles Fable is also the bottom of her pecking order right now and I assume she'll be at the bottom after she and Myth are integrated with my other two laying hens.
I got some more pictures that show her feet. She is molting right now pretty heavily, she loses feathers when you pick her up and there's a lot of her feathers in the run. I think she'd be a fluffier bird if she wasn't throwing her feathers off. I have to edit them so it'll be a little bit.
As an aside, I have noticed that the bantam faverolles has a lovely shade of a sage green eye. My other chickens have that dark orange eye. I wonder if she will keep her pretty green eyes.