Do i have any shot at playing D3 basketball at Letourneau?

I am 6'5 1/2 and 218, a junior and play for a home school team in baton rouge, we're not one of those sucky white teams and i am somewhat of a sixth man. I lifted weights last year with a trainer but slacked off this year and it killed me. I can't jump that high, but have quick reflexes and i'm not the fastest guy but i can keep up. My old coach said i needed foot-speed, physical strength and hops to make it. What do you think and how can i get better at those? Also i average 3.5 ppg and 5 rpg off the bench and start fast breaks and find cutters in the lane alot.