You really need to seek out of the children's programs for her. There have been other threads that give lots of good info about the experiences of others.
Usually they're inpatient programs for 30 days or so, with intensive physical therapy.

Children are much more likely to go into remission. SCS can work, it can also make RSD spread. It's a gamble I wouldn't make with a child...

Insurance companies will sometimes cover HBOT with children--and there is no side effects. Warm water PT is highly recommended. Outpatient Ketamine can be reasonable even if you're forced to go out of pocket. Check out Dr. Hooshmand's 4 F's diet...

Not all blocks are created equal btw. Is she awake while they're happening, so she can help the doc pinpoint the area for best relief?