This is the correct decision. From the Washington County Insider:

January 15, 2021 – Washington Co., WI – On a vote of 6 – 0 the Wisconsin Election Commission (WEC) cast a decision Friday afternoon, January 15, 2021 that Don Pridemore of Hartford would remain on the February 16, 2021 primary election ballot for State Senate District 13.

There had been a challenge made by Steven Hepp, received Monday, January 11, 2021, questioning Pridemore’s residence listed on his nomination paperwork.