Yes it should be on 1040 line 28. But didn't you get half of it during the year for the Advance Child Tax Credit? Only the remaining amount amount goes on your tax return line 28.
How to enter the Child Advance payments you got
https://ttlc.intuit.com/community/family-tax-credits-and-deductions/help/how-do-i-enter-my-advance-c...
Before filing you can preview the 1040 or print the whole return
https://ttlc.intuit.com/community/accessing/help/how-do-i-preview-my-turbotax-online-return-before-f...
