Show featured products first. Above the normal product list. See https://jameshwartlopez.com/plugin/show-featured-products-in-product-category-pages/

ShowFeaturedProductsAboveTheCategoryList.php

<?php 

/*
  Show featured products first. Above the normal product list
*/
add_action('woocommerce_before_main_content', function() {

    if(is_product_category()) {
        $current_term = get_queried_object();
        echo '<h2> Featured '.esc_html($current_term->name).'</h2>';
        echo do_shortcode('[featured_products_by_category cat="'.$current_term->slug.'" limit=3]');
    }
	
});