To enter a foreign dividend not reflected on a Form 1099-DIV in TurboTax Online:
Select Tax Home in the left pane
On the Hi, let's keep working on your taxes! screen, select the dropdown on the right side of the Income & Expenses box, then select Start, Continue or Pick up where you left off
On the Your income and expenses screen, select the dropdown to the right of Investments and Savings1099-B, 1099-INT, 1099-DIV, Crypto Gain/Loss Report
Select Start next to Dividends on 1099-DIV (even though there's no Form 1099-DIV)
On the Did you receive any dividend income? screen, answer Yes
On the Let's import your tax info screen, select Enter a different way
On the OK, let's start with one investment type screen, select Dividends, then select Continue
On the How would you like to upload your 1099-DIV? screen, select Type it in myself
On the Let's get the info from your 1099-DIV screen, enter all information that you have, then select Continue