Since you are married simply file a joint tax return. In the Personal Info section choose married filing jointly.  His SSA will be entered on the joint tax return here: 

To enter your Social Security benefits reported on form SSA-1099

·         Click on Federal Taxes (Personal using Home and Business)

·         Click on Wages and Income (Personal Income using Home and Business)

·         Click on I'll choose what I work on

·         Scroll down to Retirement Plans and Social Security

·         On Social Security (SSA-1099, RRB-1099), click the start or update button