So, when i had both eSIM’s active, i went to Settings… Cellular Data and in Cellular Data options, i saw a “use this line for data”. I picked the Airalo line for data and all data used the Airalo line.

They have a tutorial video… https://www.airalo.com/help/getting-started-with-airalo/how-do-i-install-an-esim-on-my-ios-device?gclid=CjwKCAjw2OiaBhBSEiwAh2ZSP0uqMdgPY8qwp0i-lEEsh7CQuW_1pnjuQRR6pDKSBkR7pK-fvQJFGRoCPuQQAvD_BwE