A very interesting sipper (and one I wished I'd tried when in New Orleans instead of waiting till now.
As others here have commented, I found it a bit on the sweet side so will revisit by addressing those ratios... perhaps 45ml Rye, and just 20ml sweet vermouth, 10ml Benedictine. I may also increase the amount of Peychauds (or even a split of that and another bitters — Reagan's Orange or Angostura).