Whether you get state aid or institutional aid, unless you are in an approved 5-year program you usually get 4 years of aid and you are done. If you want a second degree, you have to pay for it…
If you have completed your first degree it is time to get it and move forward. You are going to be hard pressed to find any free money (barring working for a company with tuition benefits) that is going to pay for a second degree