Access your Dashboard from the sidebar of Form Workflow Plus
Click on "I am Workflow Owner"
Click on a workflow (1) to manage it's Dashboard settings (2)
Step 1: Select from the drop down the sheet name collecting "Form responses" on your spreadsheet (1)
Step 2: Check up to 11 columns that reviewers and requestors will be able to view from their dashboard
Step 3: Don't forget to Click SAVE SETTINGS
Workflow owners can delete spreadsheets from the dashboard. All related requests and workflows will be deleted from the dashboard. You will still be able to access these from your spreadsheet in Drive.