I have never used Essential Grid…it looks like an awesome plugin! Sorry I don’t have more insight into implementation with it.
As for the code, you should be able to place that in a function in functions.php, perhaps like so:
// obviously rename this function to something that suits you :)
function my_sweet_event_dates( $event_id ) {
// 'ga' outputs the time in 12-hour time with am/pm after it
echo tribe_get_start_date( $event_id, TRUE, 'ga' ) . ' - ' . tribe_get_end_date( $event_id, TRUE, 'ga' );
}
The tribe_get_start_date() and tribe_get_end_date() functions are awesome for shortening that date, plus you can output both the date and times.
Hopefully that helps!