what are my chances

I just finished a biology degree, currently working in a lab. I am an URM. While I was in school, I was the primary caregiver for one of my parents.So, while I have a lot of healthcare experience, it did take away some of my time. I'm leaning towards DO and Caribbean since I know those are my best shot. I was thinking of applying to nearly all the DO schools. Thoughts???
Stats:
-Biology degree, Spanish minor
-503 MCAT
-3.3 cumulative, 3.15 science
-URM
-volunteered 120+ hrs with the...

what are my chances