How to show woocommerce variable product Price?

you can just use the price_html for the variable price

  https://share.getcloudapp.com/v1ub2Lok

So in your grid template code where you are showing price you need to use the below code

<span class="reactiveProductPrice">
  <# if(post.price_html) { #>
     {{{post.price_html}}}
  <# } else {#>
     {{post.meta._price}}
  <# } #>
</span>