You’re a transfer student, so you won’t get much aid from US colleges. The best grants go to freshmen. Even if you increase your scores, you’ll be ineligible for freshmen grants.
I wouldn’t count on getting one in the US. In good economic times international students have a difficult time getting approval for US jobs. The current economy isn’t good. US citizens are getting laid off in droves. When the economy recovers, US citizens will be first in line for jobs.
How many homes do your parents own? If your dad can sell off a home to raise $100,000 it doesn’t sound like your family has $0 for college.
Please don’t ask them to sell off assets in the hope that you’ll be able to move permanently to the US. You should plan on returning home after graduation. If you borrow $100k from your dad, can you earn enough in your home country to repay it?