Thats usally what my Grandma has to buther and her chicken is always good.
And Yeah they tend to send a lot of rooster my grandma ordered the Assorted Purebred Bantams from them and she got about half and half.
And too help narrow the second down.
Brown egg layers for MMH
Black Australorps; Lt. Brahmas; Dark Cornish; Black and White Giants; Buff and White Orpingtons; New Hampshire, Rhode Island Reds, Barred, White, Partridge, Buff Rocks;Delaware, Sussex, Turkens; White, Silver Laced, & Columbian...
I think Sussex =] I have some and they looked like that as chicks.
Then
Now
Plus they are brown egg layers, they would go with yours.
https://www.backyardchickens.com/t/421196/i-need-pics-of-speckle-sussex
This forum has some other better pictures.