Telerik ReportView ready function

Hello,

From my understanding I can pass a function into the ready option and it will run after the report viewer is initialized, so great - I though, because I would like for my reports to ignore the cache on a specific report.  So I figured I could do something to the effect of:

    $("#reportViewer1")
        .telerik_ReportViewer({
            serviceUrl: "/REST/api/reports/",
            templateUrl: '@Url.Content("~/ReportViewer/templates/telerikReportViewerTemplate-9.0.15.225.html")',
            reportSource: {
                report: "TravelRequestHeader.trdx",
                parameters: {
                    TravelRequestID: '@ViewBag.TravelRequestID'
                }
            },
            viewMode: telerikReportViewer.ViewModes.INTERACTIVE,
            ready: function () {
                //doesn't work right...
                this.refreshReport(true);
            }
        });

However the report viewer keeps rendering the report from cache, but if I do this explicitly within my dev console:

$('#reportViewer1').data('telerik_ReportViewer').refreshReport(true);

Then it will refresh the report and ignore the cache as I intended.  I do not see another option to set when initializing the viewer to tell to ignore the cache, am I missing something here?

Thanks,

Mike