If you seed it in the fall with Clovers, (arrow leaf clover grows good here) you will/should have a good stand of clover in springtime through much of early summer. If you want to plant in spring, just about any lagume that grows well where you are will do.
Lablab has a good reputation, I grew it one year and it grew over 6'!, Deer like sunflowers and if any survive, dove will clean up the rest. Another thing I have done was planted a dry tolerant alfalfa, couldn't run the deer out of it, iirc it was ladak, or dryland, but was developed by TA&M, of course this would be what you had all year, to expensive to re plant and not smart if you get a good stand going. I paid for my 5 acres cutting square bales off of it the 1st summer.
If you really want to get down and gritty with land improvement, call you county agriculture agent, he will come out, walk the place with you and make recommendations for whatever AG direction you wish to go AND it's FREE........ (this was how I found out about the alfalfa I planted back in 1990)
Friends don't let Friends drink and post.......
The first 5 day's after the weekend, are the hardest....