Blogs Page Layout

1. Add Widget Sidebar Layouts for Blog Page

Admin -> Appearance -> Customize -> Widget

Same steps you can edit drag n drop widgets to setup layouts for blog category.

After setting, you will see the layout for blog page:

2. Customize sidebar on Left/Right:

Dashboard -> Customize -> Blog -> Archive

• Sidebar position: Set left/right sidebar

Then the sidebar displays at frontend.

"Publish" with all changes.