What is the most logical next event?

How to become a truck dispatcher
Graduate from high school or obtain a ged.
This job doesn't necessarily require higher education, but you do need at least a high school diploma. You likely won't be considered at all if you don't have a high school diploma or its equivalent.
Enroll in a truck dispatcher course. While you don't need higher education, taking a short course in truck dispatching could give you an edge in the field, though it's optional.