Yes, for sure! I also am a black woman, with extensive ballet training. So, I come from a very racially biased dance works from the start! I was talking with my instructors about the general racist history and prejudices in ballroom, and he agreed wholeheartedly. It's an unfortunate truth. That being said, once I demonstrate my abilities, some of that bias goes away. I have seen that when I wear my hair "natural" vs flat iron it, I also get different responses...
As a psychologist by profession, I find watching behavior fascinating, but try especially hard to break some of those barriers and assumptions. Ballroom is certainly moving more slowly than other social arenas...