Belgian 2.5 - WIP yeast and general advice

[Mishkan]

Basically trying to put together this recipe while my IPA is bubbling away. I want something that will finish up quickly without having to wait for too long for some of the flavors to settle.

Trying to decide between
White Labs 500, 530, 550

Recipe: Amber Belgian Strong
Brewer:
Asst Brewer:
Style: Belgian Dubbel
TYPE: All Grain
Taste: (30.0)

Recipe Specifications
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Batch Size (fermenter): 5.00 gal
Boil Size: 6.70 gal
Bottling Volume: 5.00 gal
Estimated OG: 1.066 SG
Estimated Color: 15.6 SRM
Estimated IBU: 29.9 IBUs
Brewhouse Efficiency: 72.00 %
Boil Time: 60 Minutes

Ingredients:
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Amt Name Type # %/IBU
4.0 oz Special B Malt (180.0 SRM) Grain 3 2.0 %
11 lbs Pilsner (2 Row) UK (1.0 SRM) Grain 1 87.6 %
4.8 oz Aromatic Malt (26.0 SRM) Grain 2 2.4 %
1 lbs D-90 Candi Syrup (90.0 SRM) Sugar 4 8.0 %
1.00 oz Styrian Goldings [5.40 %] - Boil 60.0 mi Hop 5 20.6 IBUs
1.00 oz Hallertauer Hersbrucker [4.00 %] - Boil Hop 6 9.2 IBUs


Mash Schedule: Single Infusion, Light Body, No Mash Out
Total Grain Weight: 12 lbs 8.8 oz
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Name Description Step Temperat Step Time
Mash In Add 14.44 qt of water at 168.1 F 150.0 F 75 min