Im 5'8 185 run a 4.8 and play linebacker im a up incoming senior do i have a shot at making it big?

I been playing football since i was 4 yrs old. Im short 4 my position but i make up 4 it by mentality. I have played some fullback also could convert into running back as a blocking back and pounder. I have some letters from colleges 2 ivy league schools then some d2 schools. Ive seen my father who is a single parent struggle for my family all through his life and my mom ped away in 05. I just want to make it so i can just relieve a lot. Do i have a chance?