I can help. For most situations, benefits are given as long as someone is disabled.
If I start working again, will I lose benefits?
It depends on what level of work you are doing.
Can you also please give me some information on benefits for a dependent grandchild?
A dependent grandchild may also qualify
My grandchild is still a full time student  age 18
benefits continue until the child graduates or until two months after the child becomes 19 years of age
What does it take for a grandchild to qualify?
the child must be unmarried
Do you have any publications I can read?
yes read  Benefits For Childrens and What You Need To Know When You Get Social Security Disability Benefits
Will benefits for children explain if they are disabled?