To add the right hand column to any where, including widgets, you just need to copy and paste the following shortcode into any text field.
[custom-facebook-feed]

For example, I'll just paste it on the next like and include a screenshot to show what it looks like.

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Yesterday's bulletin for the Esk'etemc community ...

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πŸŽ„ARM office holiday hours!πŸŽ„
The staff of ARM, CAFE and Ecolink wish you all a happy and safe holiday season!
...

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Here's the screenshot of this editing window.

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Yesterday's bulletin for the Esk'etemc community ...

View on Facebook

πŸŽ„ARM office holiday hours!πŸŽ„
The staff of ARM, CAFE and Ecolink wish you all a happy and safe holiday season!
...

View on Facebook