KK vs limper facing big river bet

2/5 8-handed Aria Las Vegas; effective stacks $800

V: 60 y/o quiet confident Asian woman with a lot of expensive jewelry, just moved from another 2/5.

V limps $5 UTG
Folds to H in SB who makes it $30 with KdKs. V calls.

($55) Qc 4d 2h
H $20
V $50
H calls

($155) Qc 4d 2h 7s
H check
V $120
H calls

($395) Qc 4d 2h 7s 8d
H check
V $350
H?

Maybe this is obvious?

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