To clarify a hooked applicant is a person who fills an institutional need of a college. It is a reason why a college would accept one applicant over similarly (or somewhat less) qualified applicants. Some typical examples of hooks are: recruited athlete, a child of a huge donor, a person who might bring positive fame to a school (ex. Malala, a movie star etc.). If you had a hook you would know it.
At some colleges being a minority can be a plus to your application, but it is not as powerful as having a hook. Very few people do have hooks.
Again, you need to re-think your list. Schools like Williams (13% acceptance rate), Rice (11% acceptance rate), Tufts (14% acceptance rate) and UCLA (14% acceptance rate) are not target/match schools – they are reach schools. You need to do the research and find match and safety schools that appear affordable and that you would be excited to attend.