This website was helpful to me Sensory Processing Disorder Explained | SPD Foundation
The one therapy that helped me the most was Integrated Listening Systems (iLs). the web page for this is Multi-sensory Therapy for Autism, LD, ADHD and SPD - (iLs)
it seems goofy, but listening to the special music and doing the exercises helped me a lot.
Please let me know if you'd like any more details about this