His FT can be improved by training - I guess the real answer depends on what other trainees you have. If you are still looking for trainees then you can train him whilst you are getting your full quota.
But, to really take this guy to the next level he is going to need 6-8 pops... 1 or 2 isn't going to give you a wildly noticeable improvement to your team and so back to my original point - to get the best out of him 3 levels of FT and maybe 2 stamina is a far better option than trying to give him another OD or Passing pop.