Add a widget area to the site footer with Genesis

functions.php

<?php
// Paste the code BELOW this line into your child theme functions.

/**
 * Add a widget area to the site footer with Genesis
 *
 * @author Reasons to Use Genesis
 * @link http://reasonstousegenesis.com/site-footer/
 */
add_action( 'genesis_footer', 'rtug_footer_widget_area' );
function rtug_footer_widget_area() {

	genesis_widget_area( 'site-footer' ); // replace site-footer with your widget area ID

}