Is it possible to use an input table, but have one column be a drop down option?

See attached picture.

I would suggest you to use Configuration list widget if that matches your requirement

https://widgets.jotform.com/widget/configurable_list

Please read https://www.jotform.com/help/282-How-to-Set-Up-the-Configurable-List-Widget for more details.

Hope this helps.