Retirement tax questions

No that has nothing to do with it.  The taxable amount of SS Benifits is just based on all your other income no matter what it’s from wages, retirements, investments, everything.

To see the Social Security Benefits Calculation Worksheet  in Turbo Tax Online version you would have to save your return with all the worksheets to your computer.  Or if you are using the Desktop program you can switch to Forms Mode (click Forms in the upper right) and click on SS in the list on the left side.