There are a number of factors that need to be known and considered. You say you are not self-employed, but are you an employee covered by a retirement plan? That may be a factor. As to contributing or deducting an amount, a plan has to be in place. Not just selecting something in TT.
Here is a like to IRS. On this page are other links as well as answers to some questions.
https://www.irs.gov/retirement-plans/individual-retirement-arrangements-iras
https://www.irs.gov/publications/p560
https://www.irs.gov/publications/p590a
Hopefully that will provide help to your situation.
**Disclaimer: Effort has been made to offer correct information; but due to the discussion forum limitations, the poster disclaims any legal responsibility for the accuracy of the poster's response**
