Track Star and Pass Rusher would be highest priority. After that, Jump the Snap, Football Genius, a tacking VA (Sure Tackler or Power Tackler, depending on your build), and Streaky would all be potential options.
As for Ball Hawk, it depends upon your DC. It's definitely helpful if your dot's in a lot of pass coverage, but in more of a dedicated blitzer role, it's probably not worth it.