Yes, tuition expenses are deductible, depending on other itemized deduction will total more than standard deduction.

Education credits are not itemized deductions, and are not subject to the requirement to exceed the standard deduction.

Grad students are not eligible for the  the American Opportunity Credit. So, they must have a tax liability to get any benefit from the Lifetime Learning tuition credit

Yes you can enter your 1098T.  If you are not a dependent and not filing married filing separately, then you may be able to get an education credit.

https://ttlc.intuit.com/questions/1901172-what-education-tax-credits-are-available     

https://ttlc.intuit.com/questions/1899852-what-are-considered-qualified-education-expenses

https://ttlc.intuit.com/questions/2976047-what-are-examples-of-education-expenses