Andrea Allred shows one way of removing a bad query plan:
If you click on the query_plan link, you can see what the plan looks like. After you have reviewed it and determined the plan is bad then you can paste your plan handle over the one below to remove it from the proc cache.
DBCC FREEPROCCACHE normally is something you don’t want to play with in production, but this is narrowly focused enough not to harm you down the line.