You received your credit card bill in the mail, now what?
Make sure that you have downloaded & processed all of your credit card transactions. Find more info here.
Reconcile your credit card statement. This will help to ensure that you're bill and your books are both correct. Find more info here.
In QuickBooks Online, create a check. The check should be made out to the credit card company and assigned to the credit card account (GL account) in your QuickBooks.