Shameless plug: if you know anyone with Dyslexia or other learn & attention issues, send them to https://www.understood.org. It's a non-profit with many free resources for people trying to overcome these challenges.
I do well today thanks to spelling correction and Audio Books. But it is a struggle. There are "English Nazis" everywhere. I hear thing like "You might get promoted if you would play attention to your spelling."
Most of my special Ed friends flip burgers even with 140+ IQs.
I don't think it has seriously held me back, but I think I have begun to notice a more subtle way it has held be back.
I am mgrennan's son.
A lot of the students I schooled with in special Ed ended up in jobs or in jail. I'm a database administrator for a weather company.