Change Sidebar in Primary Sidebar Location Conditionally

add_action( 'genesis_after_header', 'sk_change_genesis_primary_sidebar' );
/**
 * Shows Portfolio sidebar in Primary Sidebar location on Portfolio CPT archive and single portfolio entries.
 */
function sk_change_genesis_primary_sidebar() {

    if ( 'portfolio' === get_post_type() ) {
        // remove Primary Sidebar from the Primary Sidebar area.
        remove_action( 'genesis_sidebar', 'genesis_do_sidebar' );

        // show Portfolio Sidebar in Primary Sidebar area.
        add_action( 'genesis_sidebar', function() {
            dynamic_sidebar( 'portfolio-sidebar' );
        } );
    }

}