It's my pleasure to help share some information about charging sales tax in QuickBooks.
The site or location at which sales tax is calculated determines the "tax situs" of a transaction. Most states utilize destination-based sourcing. This means you'll have to charge sales tax at the ship-to address. To know more about this, please refer to this article: US Sales Tax - Sourcing.
Since your state requires you to charge sales tax based on the ship-to address, you can refer to the following articles below on how to set it up in QBO.