What about attending your state flagship, living on campus, for a year, and then reconsidering whether you’d rather stay there or transfer? Perhaps join a living-learning community there, to be sure you have peers?
Did you apply anywhere beside unaffordable dream school and instate flagship?
Try to get that $800 back.
As for biology, really, most colleges are pretty good for this major.
If you name the two universities we may have more precise advice.