Post In Category Widget Genesis.php

genesis_register_sidebar( array(
'id' => 'second-category',
'name' => __( 'After Posts Widget', 'wpsites' ),
'description' =>  __( 'Add Content After Posts in Category.', 'wpsites' ),
) );
/**
* @author Brad Dalton - WP Sites
*/
add_action( 'genesis_after_post_content', 'wpsites_second_category_widget', 9 );
function wpsites_second_category_widget() {
if ( in_category('second-cat) && is_active_sidebar( 'second-category' ) ) {
echo '<div class="after-post">';
	dynamic_sidebar( 'second-category' );
	echo '</div><!-- end .second-category -->';

	}

}