Unicase Child Style Enqueue with RTL

functions.php

function uc_child_enqueue_styles() {
  global $unicase_version;
  wp_enqueue_style( 'unicase-style', get_template_directory_uri() . '/rtl.css', '', $unicase_version );
  wp_enqueue_style( 'unicase-child-style', get_stylesheet_directory_uri() . '/style.css',  array( 'unicase-style' ) );
}
add_action( 'wp_enqueue_scripts', 'uc_child_enqueue_styles' );