5498 is something your brokerage will send in May not sure where you are seeing that on Turbotax, but the key form to look at in your return is Form 8606.
if you didn't have a basis in the IRA to begin with or balance in the IRA at year-end, you should see your $8000 on lines 1,3,5,8,13,16,17; and $0 on lines 14, 18 and $0 on your 1040 Line 4b.
