Hi @swilkie1983,
Did you check the right-click->sync options that are set. Take a look at this post, which may apply to your case:
In your case, step #1 would be right-clicking on your Dropbox folder instead of the odrive folder.
You can read more on folder sync rules in our usage guide:
Make sure to pay special attention to the right-click>sync menu. You will want your right-click->sync settings on the Dropbox folder to look like this: