You may close it, thank you!
Yes, I had overridden header.php. I did not think that would affect the footer :-)
I replaced it with the new one with my modifications, and all looks good now.
Thank you!
If it helps figure out why no footer is displaying, I did see this in the debug log.
[17-Jul-2024 22:59:43 UTC] PHP Notice: Undefined index: footer_option in /home/xxxxxxx/public_html/staging/wp-content/themes/enfold/footer.php on line 35
[17-Jul-2024 22:59:43 UTC] PHP Notice: Undefined index: footer_behavior in /home/xxxxxxx/public_html/staging/wp-content/themes/enfold/footer.php on line 37
[17-Jul-2024 22:59:43 UTC] PHP Notice: Undefined index: footer_behavior in /home/xxxxxxx/public_html/staging/wp-content/themes/enfold/footer.php on line 288