I guess I can't really crit Caldina if you're probably going to drop her. There's nothing really to crit anyway.
More for possibly picking up another character(s). Pick one that's the loudest for you and don't pick someone up because someone else says so. Don't let others make you feel guilty if they don't like the choice. Pick one that you think you can handle and, if your motivation/activity may be a big issue for you in your opinion, pick someone who logically could be quiet and wouldn't need to be super sociable.
I'm sure you already know all that, but wanted to say so anyway. :)