You could ask for a lunge lesson over jumps, so you only have to concentrate on yourself rather than controlling your horse too :)
A tip I found in an old riding book recommends that you look away when approaching the jump so that you don't see whats ahead of you, maybe you could incorporate this into a lunge lesson if you do decide to go for it? :)
And agreed with FR above, theres nothing wrong with practicing over low jumps until your confidence is back up, even trotting poles are a good place to start!
Wish you the best of luck, don't worry about pushing yourself too hard. Riding is ment to be FUN
Always end your sessions on a good note soo you can look forward to the next :)