Neither the color nor the physical characteristics of this bird suggest Ameraucana. As a matter of fact, she doesn't look much like an EE either. Check out the Ameraucana and the EE lovers threads for more info on identification and characteristics.
Bearded chicks are usually obviously bearded from the get go, you'll be able to see their beards and muffs as itty bitties. She could be an EE. I had a beautiful blue, non-bearded EE that laid the most gorgeous tiffany blue eggs I've ever seen. Good luck!