Are you transferring schools, or is your school a D3 school already?
And yeah, I won't add any actual stroke critique since I'm not qualified in that area. What I would say is that given what you want to do, you really need more footwork and agility. Set court related fitness goals for yourself as you're working out: times for line touches or suicides, etc. in addition to general fitness goals: mile time and pull ups...so on and so forth.