GM gents. Just tested for you and it looks like Blue/Sparrow work together really easily! https://blossom.primal.net/2a4958afff48fbb367dfb39ca99439c931c824bbc6499eff7bf0c49c94eb054f.mp4
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Realized OP wants to see how to sign a psbt. Here's that part as well.
https://blossom.primal.net/47d5ec6f91b83c50bbb64c00dd40179d444497846acebe578d7bb28f137f9eef.mov