The 5-year-old girl who was badly injured in the Britt Reid car crash in February is now out of the hospital ... but her family says she still has a long road to full recovery.
Ariel Young suffered catastrophic injuries after Reid -- a former K.C. Chiefs assistant coach and Andy Reid's son -- allegedly slammed his pickup truck into the back of a vehicle she was in on Feb. 4 in Kansas City.
Investigators say Young's brain was hurt badly .