WooCommerce - Change the content of Single Product Page - Price Variation content

WooCommerce - Change the content of Single Product Page - Price Variation content

   // Change the content of Price Variation content
            add_filter('woocommerce_available_variation', 'variation_price_custom_suffix', 10, 3);
            function variation_price_custom_suffix($variation_data, $product, $variation) {
                $variation_data['price_html'] .= ' <span class="price-suffix">' . __("each", "woocommerce") . '</span>';
                $var1 = $variation_data['availability_html'];
                var_dump($var1);
                foreach ($var1 as $var) {
                    var_dump($var);
                }
                // var_dump($variation_data);

                return $variation_data;
            }