My dd is auditory, kinesthetic, then visual, too. I just read to her a lot and she listened to a lot of audio books, just as I had done with my visual, early reading son. However, I added in the Jim Weiss AbaDaba Alphabet CD/Book set and magnet letters on the floor. While I gave her a sound and words, she could be on the floor, providing her own sensory needs and spelled the words on the easel.
Another site, Sing n’ Learn,has a lot of music for use in teaching, which I do for my dd in several subjects to reinforce what I’m teaching.
Keep at his pace, his love of learning is what you don’t want to squelch, then learning through his entire life will be a struggle. Be patient, he’ll get it. My dd, at age 9, just finished a Louisa May Alcott book; CM’s methods work for a child like yours, too. The narration will strenthen him, too. Stand firm against pressure against an arbitrary level of expectations. Remember, Thomas Edison was kicked out of school by the teacher and his mother told he would never learn or amount to anything! Try to patiently endure your mom as long as she doesn’t become overbearing or crosses any lines; she’s reflecting a ‘system’ mentality; appeal to her trust in you and G-d to do what’s best for your children.
Rachel