JSFiddle - React, Tailwind, and code Playground
HTML
<div class="custom-control custom-control-inline custom-radio">
<input type="radio" name="customRadio" class="custom-control-input" id="dirBill" value="Direct Bill" checked>
<label class="custom-control-label" for="dirBill">Direct Bill</label>
</div>
<div class="custom-control custom-control-inline custom-radio">
<input type="radio" name="customRadio" class="custom-control-input" value="Agency Bill" id="agencyBill">
<label class="custom-control-label" for="agencyBill">Agency Bill</label>
</div>
<div id="test">
</div>
JavaScript
document.getElementById("test").innerText="ss";
//$("#agencyBill").prop("checked", true);
//$radios.filter('[value=Agency Bill]').prop('checked', true);
$("#agencyBill").prop("checked", true);
$radios.filter('[value="Agency Bill"]').prop('checked', true);
$('[name="customRadio"]').filter('[value="Agency Bill]"]').attr("checked","checked");