Your temps look great, but your relative humidity looks kind of high. Do you live in an area that usually has high humidity? Your AC can help with that a bit, but plants are going to make it worse. If you do choose do buy a dehumidifier dont waste your time with a little one you might put in a clothes closet, they dont usually even move the needle. I bought one of those first, and had to buy something more substatial shortly after.
I didnt realize you were in a chair... maybe dirt isnt a very good idea for your situation. Unless you have a son on call, dirt gets heavy, espescially when wet.
With hydro/coco you have to deal with moving water, but that can be done with a pump or two. This is funnest part for me... solving the problems. Think about where the water source is and a close drain, probably in the same place. Sounds like weight will be a driver for you regarding a system. Water/ drain will be important. Maybe RDWC isnt your best bet due to the amount water you will need but i assure you there are answers out there for you, and you have a great group of eyes watching your progress.