The poster's bird is not a Rhode Island Red or a Rhode Island Red Bantam, they appear much different. A correct one, anyway, not something like a hatchery quality.
That is great! I am glad she is adjusting to her new home. However, a French Black-Tailed Red Marans would not be correct for her coloring. The Marans in question has a lighter colored body and darker hackles, meanwhile your bird has almost the same color everywhere as far as I can tell. Also...