Yes...I think it could be a Cuckoo Marans...right leg color (more white/pink than yellow with black wash)...hard to tell pattern yet as too young...but the body shot indicates she has the taller stance of a Marans.
Time will tell when the pattern comes in....crisp barring means a Barred Rock; messy looking black/white should be your Cuckoo.
Lady of McCamley
EDITED TO ADD: but hatchery quality stock often doesn't follow all the breed rules
Dominiques will have rose combs with yellow legs, I believe. If the legs are pinkish white and they have a single comb, then they are cuckoo marans. I, too, just got some a while back and they can be confusing. Usually light colored ones with distinct barring (you'll see as they feather out) are boys
If the legs are pink/white with the black wash, then that's normal. My cuckoos are really skiddish, so it might be a breed thing, though I'm not positive of that. It might just be that you have a bird with a different attitude