Add Genesis Widget to the End of the_content()

functions.php

<?php

//* New Widget
genesis_register_sidebar( array(
	 'id'          => 'after-blog-content',
	 'name'        => __( 'After Blog Content', 'hello-pro' ),
	 'description' => __( 'Description of the widget goes here', 'hello-pro' ),
) );

//* Add widget after the_content()
function add_widget_after_blog_content($content) {
    if ( is_singular( 'post' ) ) {
		
		if ( is_active_sidebar( 'after-blog-content' ) ) {
			
			$aftercontentwidget = genesis_widget_area( 'after-blog-content', array(
				'before' => '<div class="after-blog-widget"><div class="wrap">',
				'after'  => '</div></div>',
			) );
			
		}
		
		$modified_content = $content . $aftercontentwidget;

		return $modified_content;
	}
}
add_filter('the_content', 'add_widget_after_blog_content');