Unfortunately that sensor OR the 00606TX will not work with your 5n1 hub to be able to view on your AcuRite page. Not compatible.
That came with it's own display looks like?
https://www.acurite.com/kbase/00606_Thermometer.html
That came with it's own display looks like?
https://www.acurite.com/kbase/00606_Thermometer.html