yes, she is
If your spouse is eligible for retirement benefits on his or her own record , we will always pay that amount first . But if the spouse benefit that is payable on your record is a higher amount ,he or she will get a combination of benefits that equals that higher amount.
Do you have any materials I can read about benefits and such?
Yes, we have publications such as : Disability Benefits ,  Benefits For Children , and What You Need To Know When You Get Social Security Disability Benefits