Plausibility check / WI: Viet Minh government in 1945

Is there any chance that the Americans might disregard the French and allow the Viet Minh to set up a semi-independent, American-guided state in Vietnam after liberation? If so, how does Indochina play out in the later half of the 20th century? Would American influence be viewed positively, and if so for how long?
 
I’d think just nixing the Free French might do it, along with making the Vichy regime more willing collaborators. Right?
 
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