I think talking to someone, a therapist or counsler, would be a good route to take. I don't think just because you were depressed at some time in your life would make you less qualified or anything to becoming a psychologist or psychiatrist. In my opinion, those types of people, who suffer from depression or any sort of mental illness, would make the best psycholigist/psychiatrist because they know from their own expirience how people may feel and have more sympathy than most.
You don't have to take medication if you really dont want to, it does help though and it in no way should be put against anyone just because they couldn't get through difficulties on their own, but talking to someone could really help you sort through all your feelings and make you feel better.